CN202155573U - Step drill - Google Patents
Step drill Download PDFInfo
- Publication number
- CN202155573U CN202155573U CN2011202724457U CN201120272445U CN202155573U CN 202155573 U CN202155573 U CN 202155573U CN 2011202724457 U CN2011202724457 U CN 2011202724457U CN 201120272445 U CN201120272445 U CN 201120272445U CN 202155573 U CN202155573 U CN 202155573U
- Authority
- CN
- China
- Prior art keywords
- section
- chip
- step drill
- chip pocket
- blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Drilling Tools (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202724457U CN202155573U (en) | 2011-07-29 | 2011-07-29 | Step drill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202724457U CN202155573U (en) | 2011-07-29 | 2011-07-29 | Step drill |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202155573U true CN202155573U (en) | 2012-03-07 |
Family
ID=45763222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011202724457U Expired - Fee Related CN202155573U (en) | 2011-07-29 | 2011-07-29 | Step drill |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202155573U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102266970A (en) * | 2011-07-29 | 2011-12-07 | 锑玛(苏州)精密工具有限公司 | Step drill |
CN103722204A (en) * | 2013-12-05 | 2014-04-16 | 周世军 | Method for producing stepped taper-hole barrel |
-
2011
- 2011-07-29 CN CN2011202724457U patent/CN202155573U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102266970A (en) * | 2011-07-29 | 2011-12-07 | 锑玛(苏州)精密工具有限公司 | Step drill |
CN103722204A (en) * | 2013-12-05 | 2014-04-16 | 周世军 | Method for producing stepped taper-hole barrel |
CN103722204B (en) * | 2013-12-05 | 2017-05-10 | 舟山市帝旺机电有限公司 | Method for producing stepped taper-hole barrel |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Stepped drill sharp spade drill blade Effective date of registration: 20130201 Granted publication date: 20120307 Pledgee: Bank of Communications Ltd Suzhou branch Pledgor: D & M (Suzhou) Precision Cutting Tools Co., Ltd. Registration number: 2013320010003 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20140729 |
|
EXPY | Termination of patent right or utility model | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180408 Granted publication date: 20120307 Pledgee: Bank of Communications Ltd Suzhou branch Pledgor: D & M (Suzhou) Precision Cutting Tools Co., Ltd. Registration number: 2013320010003 |